Grand Ronde, OR Weather & Growing Conditions
Today
58°F
Patchy Fog then Light Rain
Patchy fog before 9am, then rain. Mostly cloudy. High near 58, with temperatures falling to around 54 in the afternoon. South southeast wind around 2 mph. Chance of precipitation is 90%. New rainfall amounts less than a tenth of an inch possible.
7-day forecast
| When | Temp | Forecast | Wind | Precip |
|---|---|---|---|---|
| Today | 58°F | Patchy Fog then Light Rain | 2 mph SSE | 89% |
| Tonight | 43°F | Light Rain Likely then Areas Of Fog | 0 to 7 mph W | 70% |
| Thursday | 59°F | Areas Of Fog then Partly Sunny | 1 mph SSE | 13% |
| Thursday Night | 41°F | Areas Of Fog | 1 mph SSE | 21% |
| Friday | 59°F | Chance Light Rain | 0 to 3 mph SSE | 48% |
| Friday Night | 45°F | Chance Light Rain then Mostly Cloudy | 2 mph SSE | 48% |
| Saturday | 63°F | Partly Sunny then Chance Light Rain | 3 mph SSE | 47% |
| Saturday Night | 46°F | Light Rain | 3 to 15 mph SSW | 83% |
| Sunday | 56°F | Chance Light Rain | 0 to 12 mph WSW | 43% |
| Sunday Night | 41°F | Mostly Cloudy then Slight Chance Light Rain | 1 mph ESE | 15% |
| Monday | 57°F | Chance Light Rain | 3 mph SE | 39% |
| Monday Night | 44°F | Chance Light Rain | 1 to 13 mph S | 42% |
| Tuesday | 58°F | Chance Light Rain | 3 to 13 mph S | 44% |
| Tuesday Night | 44°F | Chance Light Rain | 3 to 14 mph S | 46% |
Forecast source: National Weather Service (api.weather.gov). Updated through the day.
Growing snapshot for Grand Ronde, OR
Last spring frost
May 20
First fall frost
Oct 23
Growing season
157 days
Hardiness zone
8b
Explore more for Grand Ronde, OR: full frost dates · planting calendar · Oregon frost dates
Climate data from the nearest NOAA station, Laurel Mtn, Or (11.5 mi). Frost dates are 1991–2020 averages, not a forecast. Page updated Nov 4, 2026.